US PATENT SUBCLASS 172 / 833
.~ Tool prepares wheel path for passage of wheel

Current as of: June, 1999
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172 /   HD   EARTH WORKING

810  DF  MOUNTING FOR PUSHED TOOL AT END OF MOTOR VEHICLE {3}
833.~ Tool prepares wheel path for passage of wheel

DEFINITION

Classification: 172/833

Tool prepares wheel path for passage of wheel:

(under subclass 810) Apparatus in which the tool is positioned ahead of the vehicle wheel or wheel substitute to smooth or level the soil in the path thereof.